Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts. executing program [ 59.688887][ T4162] loop0: detected capacity change from 0 to 1024 [ 59.724255][ T4162] [ 59.726617][ T4162] ============================================ [ 59.732764][ T4162] WARNING: possible recursive locking detected [ 59.738899][ T4162] 5.15.179-syzkaller #0 Not tainted [ 59.744075][ T4162] -------------------------------------------- [ 59.750213][ T4162] syz-executor296/4162 is trying to acquire lock: [ 59.756606][ T4162] ffff888026510e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x37f/0x14e0 [ 59.767483][ T4162] [ 59.767483][ T4162] but task is already holding lock: [ 59.774856][ T4162] ffff8880265122c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x30f/0xc70 [ 59.785979][ T4162] [ 59.785979][ T4162] other info that might help us debug this: [ 59.794017][ T4162] Possible unsafe locking scenario: [ 59.794017][ T4162] [ 59.801446][ T4162] CPU0 [ 59.804710][ T4162] ---- [ 59.807972][ T4162] lock(&HFSPLUS_I(inode)->extents_lock); [ 59.813771][ T4162] lock(&HFSPLUS_I(inode)->extents_lock); [ 59.819574][ T4162] [ 59.819574][ T4162] *** DEADLOCK *** [ 59.819574][ T4162] [ 59.827696][ T4162] May be due to missing lock nesting notation [ 59.827696][ T4162] [ 59.836025][ T4162] 4 locks held by syz-executor296/4162: [ 59.841552][ T4162] #0: ffff8880252bc460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 59.850688][ T4162] #1: ffff8880265124c0 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x208/0x300 [ 59.861032][ T4162] #2: ffff8880265122c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x30f/0xc70 [ 59.872618][ T4162] #3: ffff888077ea38f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xb7/0x4f0 [ 59.882615][ T4162] [ 59.882615][ T4162] stack backtrace: [ 59.888502][ T4162] CPU: 1 PID: 4162 Comm: syz-executor296 Not tainted 5.15.179-syzkaller #0 [ 59.897073][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 59.907119][ T4162] Call Trace: [ 59.910389][ T4162] [ 59.913304][ T4162] dump_stack_lvl+0x1e3/0x2d0 [ 59.917988][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 59.923685][ T4162] ? panic+0x860/0x860 [ 59.927777][ T4162] validate_chain+0x46d2/0x5930 [ 59.932630][ T4162] ? stack_trace_save+0x113/0x1c0 [ 59.937644][ T4162] ? stack_trace_snprint+0xe0/0xe0 [ 59.942744][ T4162] ? check_noncircular+0x1e1/0x3b0 [ 59.947845][ T4162] ? reacquire_held_locks+0x660/0x660 [ 59.953207][ T4162] ? add_chain_block+0x850/0x850 [ 59.958131][ T4162] ? lockdep_unlock+0x166/0x300 [ 59.962969][ T4162] ? look_up_lock_class+0x77/0x120 [ 59.968073][ T4162] ? register_lock_class+0x100/0x9a0 [ 59.973362][ T4162] ? is_dynamic_key+0x1f0/0x1f0 [ 59.978219][ T4162] ? validate_chain+0x13bd/0x5930 [ 59.983238][ T4162] ? mark_lock+0x98/0x340 [ 59.987568][ T4162] __lock_acquire+0x1295/0x1ff0 [ 59.992431][ T4162] lock_acquire+0x1db/0x4f0 [ 59.997029][ T4162] ? hfsplus_get_block+0x37f/0x14e0 [ 60.002233][ T4162] ? read_lock_is_recursive+0x10/0x10 [ 60.007627][ T4162] ? __might_sleep+0xc0/0xc0 [ 60.012235][ T4162] ? hfsplus_file_truncate+0x871/0xc70 [ 60.017685][ T4162] ? is_dynamic_key+0x1f0/0x1f0 [ 60.022525][ T4162] ? path_openat+0x28a3/0x2f20 [ 60.027298][ T4162] ? do_sys_openat2+0x13b/0x4f0 [ 60.032157][ T4162] ? mark_lock+0x98/0x340 [ 60.036481][ T4162] __mutex_lock_common+0x1da/0x25a0 [ 60.041674][ T4162] ? hfsplus_get_block+0x37f/0x14e0 [ 60.046871][ T4162] ? hfsplus_get_block+0x37f/0x14e0 [ 60.052156][ T4162] ? mutex_lock_io_nested+0x60/0x60 [ 60.057363][ T4162] ? lockdep_softirqs_off+0x420/0x420 [ 60.062758][ T4162] mutex_lock_nested+0x17/0x20 [ 60.067561][ T4162] hfsplus_get_block+0x37f/0x14e0 [ 60.072619][ T4162] ? hfsplus_ext_write_extent+0x1f0/0x1f0 [ 60.078329][ T4162] ? do_raw_spin_unlock+0x137/0x8b0 [ 60.083519][ T4162] ? create_empty_buffers+0x5c0/0x6d0 [ 60.088890][ T4162] ? create_page_buffers+0x24b/0x330 [ 60.094189][ T4162] block_read_full_page+0x2f9/0xde0 [ 60.099381][ T4162] ? hfsplus_ext_write_extent+0x1f0/0x1f0 [ 60.105087][ T4162] ? block_is_partially_uptodate+0x2c0/0x2c0 [ 60.111084][ T4162] ? hfsplus_writepage+0x30/0x30 [ 60.116016][ T4162] do_read_cache_page+0x752/0x1040 [ 60.121139][ T4162] hfsplus_block_free+0x120/0x4f0 [ 60.126157][ T4162] hfsplus_free_extents+0x17a/0xae0 [ 60.131346][ T4162] hfsplus_file_truncate+0x871/0xc70 [ 60.136623][ T4162] ? hfsplus_add_extent+0x880/0x880 [ 60.141826][ T4162] ? unmap_mapping_range+0x1ae/0x3e0 [ 60.147103][ T4162] ? unmap_mapping_pages+0x1e0/0x1e0 [ 60.152376][ T4162] ? truncate_setsize+0xcb/0xf0 [ 60.157235][ T4162] hfsplus_setattr+0x1b9/0x280 [ 60.161986][ T4162] ? hfsplus_write_failed+0x90/0x90 [ 60.167170][ T4162] notify_change+0xc6d/0xf50 [ 60.171772][ T4162] do_truncate+0x21c/0x300 [ 60.176185][ T4162] ? rcu_lock_release+0x20/0x20 [ 60.181026][ T4162] ? ima_bprm_check+0x2b0/0x2b0 [ 60.185903][ T4162] ? bpf_lsm_path_truncate+0x5/0x10 [ 60.191093][ T4162] path_openat+0x28a3/0x2f20 [ 60.195683][ T4162] ? do_filp_open+0x460/0x460 [ 60.200353][ T4162] do_filp_open+0x21c/0x460 [ 60.204961][ T4162] ? vfs_tmpfile+0x2e0/0x2e0 [ 60.209548][ T4162] ? _raw_spin_unlock+0x24/0x40 [ 60.214388][ T4162] ? alloc_fd+0x598/0x630 [ 60.218711][ T4162] do_sys_openat2+0x13b/0x4f0 [ 60.223392][ T4162] ? read_lock_is_recursive+0x10/0x10 [ 60.228756][ T4162] ? do_sys_open+0x220/0x220 [ 60.233338][ T4162] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 60.239567][ T4162] __x64_sys_creat+0x11f/0x160 [ 60.244320][ T4162] ? __x64_compat_sys_openat+0x290/0x290 [ 60.249949][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240 [ 60.255935][ T4162] ? lockdep_hardirqs_on+0x94/0x130 [ 60.261128][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240 [ 60.267099][ T4162] do_syscall_64+0x3b/0xb0 [ 60.271504][ T4162] ? clear_bhb_loop+0x15/0x70 [ 60.276174][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.282077][ T4162] RIP: 0033:0x7fb18e77da99 [ 60.286482][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.306079][ T4162] RSP: 002b:00007fff8e55ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 60.314485][ T4162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb18e77da99 [ 60.322547][ T4162] RDX: 00007fb18e77ccf0 RSI: 0000000000000121 RDI: 0000200000000f00 [ 60.330509][ T4162] RBP: 00007fb18e7f15f0 R08: 000000000000065c R09: 000055555c86d4c0 executing program executing program executing program [ 60.338477][ T4162] R10: 00007fff8e55eb40 R11: 0000000000000246 R12: 00007fff8e55eca0 [ 60.346437][ T4162] R13: 00007fff8e55eec8 R14: 431bde82d7b634db R15: 00007fb18e7c603b [ 60.354401][ T4162] [ 60.357676][ T4162] hfsplus: unable to mark blocks free: error -5 [ 60.363966][ T4162] hfsplus: can't free extent executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.774339][ T154] hfsplus: b-tree write err: -5, ino 4 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program